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Difference between classification and clustering in data mining? [closed]
...neral, in classification you have a set of predefined classes and want to know which class a new object belongs to.
Clustering tries to group a set of objects and find whether there is some relationship between the objects.
In the context of machine learning, classification is supervised learning ...
Visual Studio 2012 - Intellisense sometimes disappearing / broken
My colleagues and I are using VS2012 for some weeks now. Sometimes after working several hours the intellisense is broken. After closing all open tabs it works again.
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Appending to an object
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This answer expects you to know the id of the alert to be added. Well, if you already know that, then you can simply follow the original object format and do: alerts[3] = { app: 'hello3', message: 'message 3' }. With this you can access a message by id:...
How to check a not-defined variable in JavaScript
...-assignable was fixed in ECMAScript 5, which was released in 2009. You can now safely use === and !== to test for undefined without using typeof as undefined has been read-only for some time.
If you want to know if a member exists independent but don't care what its value is:
if ('membername' in o...
FIND_IN_SET() vs IN()
..."aname".
Let's take table B which has columns named "bid","bname","aids".
Now there are dummy values in Table A and Table B as below.
Table A
aid aname
1 Apple
2 Banana
3 Mango
Table B
bid bname aids
1 Apple 1,2
2 Banana 2,1
3 Mango 3,1,2
enter code here
Case...
How to capture the browser window close event?
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@Jonny: It's now just .on().
– SLaks
Dec 26 '17 at 18:14
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show 7 more comment...
AppStore - App status is ready for sale, but not in app store
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Is there any way to know when the app is indeed in the store (besides keep accessing every hour) ?
– Daniel
Oct 10 '17 at 23:09
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Is there a way to cache GitHub credentials for pushing commits?
...or push/pull/fetch/clone operation).
Note: with Git 2.18 (Q2 2018), you now can customize the GPG used to decrypt the encrypted .netrc file.
See commit 786ef50, commit f07eeed (12 May 2018) by Luis Marsano (``).
(Merged by Junio C Hamano -- gitster -- in commit 017b7c5, 30 May 2018)
git-cr...
How can I find out the current route in Rails?
I need to know the current route in a filter in Rails. How can I find out what it is?
13 Answers
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Javascript heredoc
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I know but I hope to find heredoc hack :)
– VeroLom
Dec 7 '10 at 12:21
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